LPT: if Cura takes too long to start, disable this plugin if you are not using an Ultimaker 3 printer. It will speed up the start of Cura. : r/Cura
Increase the productivity of your 3D printing workflow with Ultimaker Firmware 6.5
How Do I Update Cura/Firmware? – fbrc8 Support
Thomas Sanladerer on Twitter: "@Germanc154 @Ultimaker Ultimaker posted the solution. Basically, you grab a microSD card, write the recovery image to it and then power on the UM3 with the SD card
Ultimaker 3 Review: Still a Great 3D Printer | All3DP